# 扇贝单词英语版 vs OK Grammar

The clearest difference is update cadence: 扇贝单词英语版 at weekly against OK Grammar's every 2 months. OK Grammar's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 扇贝单词英语版 sells 11 in-app purchases, starting at $2.49 per month and OK Grammar sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

扇贝单词英语版 ships an update weekly, OK Grammar every 2 months. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 扇贝单词英语版 | OK Grammar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.5K ratings)](https://appshunter.io/ios/app/id698013609/reviews)** | — |
| Number of ratings | **2.5K** | — |
| Positive reviews | 85.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 323 MB | 53 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Beiwan Information & Tech Ltd.](https://appshunter.io/developer/531059694) | [广素 陈](https://appshunter.io/developer/1512523453) |

## What reviewers say

### 扇贝单词英语版

[App page](https://appshunter.io/ios/app/id698013609)

This app offers a comprehensive English vocabulary learning solution for exam preparation. It uses AI to personalize study plans, focuses on contextual learning, and includes exam-style practice to help users master words for tests like CET-4/6, IELTS, and TOEFL.

**Highlights:** AI-powered personalized study plans, Contextual learning with real-world texts, Exam-style practice questions, Dynamic anti-forgetting system, Support for various English proficiency exams, Customizable word lists, Collaborative learning features

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 扇贝单词会员连续包月 | $2.49 | per month |
| 扇贝单词会员连续包月 | $2.99 | per month |
| 扇贝大会员连续包月 | $4.99 | per month |
| 600贝壳 | $0.99 | one-time |
| 1200贝壳 | $1.99 | one-time |
| 1800贝壳 | $2.99 | one-time |
| 3000贝壳 | $3.99 | one-time |
| 5000贝壳 | $6.99 | one-time |
| 10000贝壳 | $14.99 | one-time |
| 扇贝单词年卡会员 | $14.99 | one-time |
| 扇贝大会员 | $34.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient learning process
- 💡 Helpful features like word roots and sentence practice
- 🤝 Good for learning with friends
- 🎨 Visually appealing design

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔍 Limited search functionality
- 💰 Expensive subscription model
- 🌐 Slow performance for overseas users
- 🤖 Inconsistent AI-generated content

**Reported bugs**

- Login issues
- Unreliable syncing across devices
- Frequent app updates causing disruption
- Incorrect word definitions or example sentences

**Requested features**

- Offline mode
- More advanced vocabulary and grammar lessons
- Personalized learning plans
- Voice recognition for pronunciation practice
- Better integration with other learning resources


### OK Grammar

[App page](https://appshunter.io/ios/app/ok-grammar/id1536323300)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 mo. Premium | $3.99 | per month |
| 3 mos. Premium | $7.99 | per 3 months |
| 1 year Premium | $12.99 | per year |
| Grammar Checking | $0.99 | one-time |


## Frequently asked questions

### Is 扇贝单词英语版 free?

扇贝单词英语版 is free to download, with in-app purchases available.

### Is OK Grammar free?

OK Grammar is free to download, with in-app purchases available.

### Do 扇贝单词英语版 or OK Grammar have ads?

Neither 扇贝单词英语版 nor OK Grammar shows ads.

### Which is updated more often, 扇贝单词英语版 or OK Grammar?

扇贝单词英语版 ships an update weekly, and OK Grammar every 2 months. Most recently, 扇贝单词英语版 was updated on November 1, 2026 and OK Grammar on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*